Global Patent Index - EP 0757952 B1

EP 0757952 B1 20000315 - Front derailleur for a bicycle

Title (en)

Front derailleur for a bicycle

Title (de)

Vorderer Umwerfer für ein Fahrrad

Title (fr)

Dérailleur avant pour une bicyclette

Publication

EP 0757952 B1 20000315 (EN)

Application

EP 96305786 A 19960806

Priority

JP 22111495 A 19950807

Abstract (en)

[origin: EP0757952A1] A bicycle front derailleur includes a frame bracket (2) for fixing the derailleur to a bicycle frame, a cage plate (36) for guiding a chain (51) among a plurality of chainwheels (52, 53, 54), and a radial adjustment mechanism (7, 8, 11, 12) for adjusting a position of the cage plate substantially radially relative to the chainwheels. In a more specific embodiment, a derailleur bracket (6) fixes the cage plate (36) to the frame bracket (2), wherein the derailleur bracket defines a derailleur bracket opening (7). A bushing (8) is disposed in the derailleur bracket opening. The bushing (8) defines a bushing opening (9) such that the bushing has an eccentric shape relative to the bushing opening. A fastener extends through the bushing opening for fastening the bushing to the frame bracket. Thus, rotation of the bushing varies the position of the derailleur bracket and hence the position of the cage plate relative to the chainwheels. <IMAGE>

IPC 1-7

B62M 9/12

IPC 8 full level

B62M 9/1244 (2010.01); B62M 9/126 (2010.01); B62M 9/131 (2010.01); B62M 9/1342 (2010.01); B62M 9/1344 (2010.01); B62M 9/135 (2010.01)

CPC (source: EP US)

B62M 9/1344 (2013.01 - EP US); B62M 9/135 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR IT

DOCDB simple family (publication)

EP 0757952 A1 19970212; EP 0757952 B1 20000315; CN 1069275 C 20010808; CN 1143033 A 19970219; DE 69607083 D1 20000420; DE 69607083 T2 20001221; JP 3328113 B2 20020924; JP H0948385 A 19970218; TW 305811 B 19970521; US 5846148 A 19981208

DOCDB simple family (application)

EP 96305786 A 19960806; CN 96109314 A 19960807; DE 69607083 T 19960806; JP 22111495 A 19950807; TW 84110597 A 19951009; US 91455097 A 19970819